Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / ethernet / ibm / emac / rgmii.h

diff --git a/kernel/drivers/net/ethernet/ibm/emac/rgmii.h b/kernel/drivers/net/ethernet/ibm/emac/rgmii.h
new file mode 100644 (file)
index 0000000..d4f1374
--- /dev/null
+++ b/kernel/drivers/net/ethernet/ibm/emac/rgmii.h
@@ -0,0 +1,82 @@
+/*
+ * drivers/net/ethernet/ibm/emac/rgmii.h
+ *
+ * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support.
+ *
+ * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
+ *                <benh@kernel.crashing.org>
+ *
+ * Based on the arch/ppc version of the driver:
+ *
+ * Based on ocp_zmii.h/ibm_emac_zmii.h
+ * Armin Kuster akuster@mvista.com
+ *
+ * Copyright 2004 MontaVista Software, Inc.
+ * Matt Porter <mporter@kernel.crashing.org>
+ *
+ * Copyright (c) 2004, 2005 Zultys Technologies.
+ * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __IBM_NEWEMAC_RGMII_H
+#define __IBM_NEWEMAC_RGMII_H
+
+/* RGMII bridge type */
+#define RGMII_STANDARD         0
+#define RGMII_AXON             1
+
+/* RGMII bridge */
+struct rgmii_regs {
+       u32 fer;                /* Function enable register */
+       u32 ssr;                /* Speed select register */
+};
+
+/* RGMII device */
+struct rgmii_instance {
+       struct rgmii_regs __iomem       *base;
+
+       /* RGMII bridge flags */
+       int                             flags;
+#define EMAC_RGMII_FLAG_HAS_MDIO       0x00000001
+
+       /* Only one EMAC whacks us at a time */
+       struct mutex                    lock;
+
+       /* number of EMACs using this RGMII bridge */
+       int                             users;
+
+       /* OF device instance */
+       struct platform_device          *ofdev;
+};
+
+#ifdef CONFIG_IBM_EMAC_RGMII
+
+int rgmii_init(void);
+void rgmii_exit(void);
+int rgmii_attach(struct platform_device *ofdev, int input, int mode);
+void rgmii_detach(struct platform_device *ofdev, int input);
+void rgmii_get_mdio(struct platform_device *ofdev, int input);
+void rgmii_put_mdio(struct platform_device *ofdev, int input);
+void rgmii_set_speed(struct platform_device *ofdev, int input, int speed);
+int rgmii_get_regs_len(struct platform_device *ofdev);
+void *rgmii_dump_regs(struct platform_device *ofdev, void *buf);
+
+#else
+
+# define rgmii_init()          0
+# define rgmii_exit()          do { } while(0)
+# define rgmii_attach(x,y,z)   (-ENXIO)
+# define rgmii_detach(x,y)     do { } while(0)
+# define rgmii_get_mdio(o,i)   do { } while (0)
+# define rgmii_put_mdio(o,i)   do { } while (0)
+# define rgmii_set_speed(x,y,z)        do { } while(0)
+# define rgmii_get_regs_len(x) 0
+# define rgmii_dump_regs(x,buf)        (buf)
+#endif                         /* !CONFIG_IBM_EMAC_RGMII */
+
+#endif /* __IBM_NEWEMAC_RGMII_H */